[1] G. Adilov and I. Yesilce, sets and maps, Numerical Functional Analysis and
Optimization 33(2) (2012), 131-141.
[2] G. Adilov and I. Yesilce, On generalization of the concept of
convexity, Hacettepe Journal of Mathematics and Statistics 41(5)
(2012), 723-730.
[3] W. Briec and Q. B. Liang, On some semilattice structures for
production technologies, European Journal of Operational Research 215
(2011), 740-749.
[4] S. Kemali, I. Yesilce and G. Adilov, and their comparison, Numerical
Functional Analysis and Optimization 36(2) (2015), 133-146.
[5] A. Rubinov, Abstract Convexity and Global Optimization, Kluwer
Academic Publishers, Boston-Dordrecht-London, 2000.
[6] I. Singer, Abstract Convex Analysis, John Wiley & Sons, New York,
1997.
[7] M. L. J. Van De Vel, Theory of Convex Structures, North Holland
Mathematical Library, 50, North-Holland Publishing Co., Amsterdam,
1993.
[8] G. Tinaztepe, I. Yesilce and G. Adilov, Separation of sets by maps, Journal of Convex Analysis 21(2)
(2014), 571-580.